Jeanna Bryner

Now, astronomers may have identified the remains from a 2,000-year-old stellar explosion, now considered the oldest supernova on record.

A sizzling-hot star is spinning around at near break-up velocity, according to a new study.

Saturn showed off a new ring in a snapshot just taken by NASA’s Cassini spacecraft.

For the first time, astronomers have imaged a brown dwarf in an extrasolar planetary system.

The Milky Way might not have formed through the merger of several smaller galaxies as previously thought, but by some other unknown process, a new study suggests.

With their X-ray vision, and other techniques, researchers are monitoring the chaotic environments around these black holes trying to solve some longstanding mysteries.

Iron rain falls from metallic clouds in violent storms on these failed stars.